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第二节  完形填空(共20小题;每小题1.5分,满分30分) 阅读下面短文,从短文后所给各题的四个选项(A、B、C和D)中,选出可以填入空白处的最佳选项,并在答题卡上将该项涂黑。 A man came home from work late, tired and impatient, to find his 5-year-old son waiting for him at the door. 'Daddy, may I ask you a question?' 'Yeah, sure. What is   36   ?' replied the man. 'Daddy, how much do you make   37  ?' 'That' s none of your business.   38  do you ask such a thing?' the man said angrily. 'I just want to know. Please tell me.' pleaded(恳求) the little boy. 'If you   39  know, I make $ 20 an hour.' 'Oh,' the little boy replied with his head down. Looking up, he said, 'Daddy, may I please   40   $ 10 ?' The father was angry. 'If the only reason is that you can buy a   41 toy or some other nonsense, go straight to your   42  and go to bed. Think about why you are being so selfish. I work hard every day for this childish behavior.' The little boy   43  went to his room and shut the door. The man sat down and started to get even angrier. How dare he ask  44  questions only to get some money? After about an hour, the man had   45  down, and started to think. Maybe there was 46  he really needed to buy with that $ 10 and he really didn't ask for money very   47 . The man went to the door of the little boy' s room and opened it. 'Are you   48   , son?' He asked. 'No, daddy. I' m awake,' replied the boy. 'I've been thinking. Maybe I was too hard   49  you earlier,' said the man. 'It's been a long day and I took out my anger on you. Here' s the $ 10 you   50  for.' The little boy sat straight up,   51    . 'Oh, thank you, daddy!' He said. Then, reaching under his pillow, he pulled out some crumpled-up (皱)   52    . The man, seeing that the boy already 53 money, started to get angry again. The little boy slowly counted out his money, and then looked up at his father. 'Why do you want more money when you already have some?' the father asked. 'Because I didn't have enough,    54   now I do,' the little boy replied. 'Daddy, I have $ 20 now. Can I buy an hour of your   55  ? Please come home early tomorrow. I would like to have dinner with you.' 36. A. that       B. which        C. it         D. this 37. A. a day     B. a month       C. a week     D. an hour 38. A. When     B. How         C. Why       D. Where 39. A. must      B. can          C. may       D. should 40. A. make      B. lend         C. collect     D. borrow 41. A. silly      B. good         C. cheap      D. dear 42. A. desk      B. room        C. book        D. school 43. A. angrily    B. happily       C. quietly      D. willingly 44. A. many      B. few         C. such       D. no 45. A. looked     B. gone        C. come        D. calmed 46. A. nothing    B. anything     C. something    D. everything 47. A. often      B. well         C. possibly     D. properly 48. A. angry     B. OK          C. asleep       D. awake 49. A. for        B. on          C. with         D. to 50. A. thought    B. called        C. worked      D. asked 51. A. smiling    B. crying        C. laughing     D. jumping 52. A. papers     B. coins        C. letters        D. bills 53. A. hid       B. kept         C. had          D. lent 54. A. and      B. when         C. but          D. so 55. A. life      B. time          C. work         D. freedom
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【简答题】p117-1、10、11、12 1、普通混凝土的组成材料有哪几种?在混凝土中各起什么作用? 10、什么是混凝土的和易性?它包括哪几个方面含义?如何评定混凝土的和易性? 11、影响混凝土和易性的主要因素是什么?它们是怎样影响的?当混凝土拌合物流动性太大或太小可,采取什么措施进行调整? 12、什么是合理砂率?采用合理砂率有何技术和经济意义?
【判断题】人格监狱化的程度,往往与其刑期的长度、隔离的深度、规训的强度以及保障的程度成正比。
A.
正确
B.
错误
【判断题】多用户信道的信道容量不能用一个数来代表,但信道的信息率可以用一个数来表示。
A.
正确
B.
错误
【简答题】信道容量 表示一个信道的_______数据传输速率,单位为 _______.
【简答题】考虑下图所示的Z型信道。 (1)求获得信道容量所需要的输入概率。 (2)若将N个这样的信道相级联,证明联合信道可以用一个信道转移概率为p N 的等价Z信道表示。 (3)当N→∞时联合信道的容量是什么?
【单选题】影响合理砂率的主要因素是()。
A.
骨料的品种与粗细、混凝土拌合物的流动仆或水灰化
B.
骨料的品种与粗细、混凝土的强度
C.
混凝土拌合物的流动性或水灰比、混凝土的强度
D.
骨料的品种与粗细、水泥用量
【简答题】有记忆信道的信道容量高于无记忆信道的信道容量。考虑一个二元对称信道 , 表示模2加,X i ,Y i ∈{0,1}。假定Z 1 ,Z 2 …,Z n 有相同的边缘概率分布P(Z i =1)=p=1-P(Z i =0),但是并不相互独立,但是Z n 与输入X n 相互独立。如果记C=1-H(p,1-p),证明:
【单选题】影响混凝土合理砂率的主要因素是 ( )
A.
骨料的品种与粗细、混凝土拌合物的流动性或水灰比
B.
骨料的品种与粗细、混凝土的强度
C.
混凝土拌合物的流动性或水灰比、混凝土的强度
D.
骨料的品种与粗细、水泥用量
【单选题】影响合理砂率的主要因素是( )
A.
骨料的品种与粗细、混凝土拌合物的流动仆或水灰化
B.
骨料的品种与粗细、混凝土的强度
C.
混凝土拌合物的流动性或水灰比、混凝土的强度
D.
料的品种与粗细、水泥用量
【单选题】影响混凝土合理砂率的主要因素
A.
骨料的品种与粗细、混凝土拌合物的流动性或水灰比
B.
骨料的品种与粗细、混凝土的强度
C.
混凝土拌合物的流动性或水灰比、混凝土的强度
D.
骨料的品种与粗细、水泥用量
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